CVE-2025-66834

HIGH 7.3CVE-2025-66834 · Published 30/12/2025 · updated 20/08/2026

In short

CVE-2025-66834 is a HIGH (CVSS 7.3) vulnerability affecting trueconf server (trueconf).
Chance of exploitation in the next 30 days (EPSS): 0.31%, higher than 24.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
trueconf server trueconf	`= 5.5.2.10813`	No fix yet

Description

A CSV Formula Injection vulnerability in TrueConf Server v5.5.2.10813 allows a normal user to inject malicious spreadsheet formulas into exported chat logs via crafted Display Name.

References

x00nullbit/CVE-References · Exploit
trueconf.com · Product

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Package

Affected versions

Patched versions

trueconf server

trueconf

= 5.5.2.10813

No fix yet

More vulnerabilities in trueconf server

See all →